This is a classic bicolor from the famous early 1970s finds at Dunton, collected by Mann at that time (1972-1974). It is very gemmy and bright internally, and has a catseye effect to it as well. Classic, representative example for these finds; and frankly quite rare in thumbnail size. Most are larger, so for the thumbnail collector it is hard slog to find one. From the specialized Maine thumbnail collection of Jim Mann.

This is a classic steeply terminated crystal from the famous 1972 glory hole at Dunton, collected by Mann and friends at that time (1972-1974). It is very gemmy and exceptionally symmetric as most of these skew into lumpiness. In fact, I cannot say as I have seen a more pointed termination, so sharp and steep, on one of these. It is also, for the lucky thumbnail collector, a perfectly sized FULL thumbnail from a find which produced many larger pieces and few choice thumbnail specimens. Lastly, it is extremely gemmy and totally transparent. Note the classic green hue with a sligh hint of blue, as well. So again, this is a classic, representative example for these finds; and frankly quite rare in thumbnail size. From the specialized Maine thumbnail collection of Jim Mann.

This is a STUNNING, GEM, ELECTRIC GREEN "pencil" tourmaline crystal from a very desired pocket found in 1978. It is 100% gemmy and transparent. Though tin and slender, it is impactful. From the specialized Maine thumbnail collection of Jim Mann (although a miniature, this squeezes into a TN box when mounted diagonally).

A beautiful and classic bicolor Himalaya with an exaggerated, elongated green zone ending in a long prismatic termination. 21 grams. From the collection of Hubert De Monmonier (1919-2007), donated by bequest to the University of Arizona Museum to add to their displays; and to provide specimens for the recent sale to establish an endowment fund for museum operations in perpetuity. Joe Budd photos

This large, 152-gram tourmaline is big and imposing in form. It has a lot of subtle color gradations when backlit, but we need to say that in just frontal lighting, it has a dull lustre and matte finish that prevent such good colors coming out without the backlighting. The terminations are both complete and the piece is a floater, with no repairs despite its size. The red termination is particularly robust. From the collection of Hubert De Monmonier (1919-2007), donated by bequest to the University of Arizona Museum to add to their displays; and to provide specimens for the recent sale to establish an endowment fund for museum operations in perpetuity. Joe Budd photos

A dramatic, large, very pink-red tourmaline crystal showing classic bicolor effects as well , in its lower half. The crystal is complete all around, intergrown with a small feldspar crystal. The top termination is outstanding, not just broad and colorful but also lustrous. There are just a few trivial dings, despite its size. The bottom termination separates into several miniterminations, the longest of which is complete and sharp (a small subtermination near the feldspar crystal is broken off, but facing downwards and out of sight anyhow). Overall, a very impressive piece with intensity and lustre rarely obtained in this size for a price under five figures, these days. From the collection of Hubert De Monmonier (1919-2007), donated by bequest to the University of Arizona Museum to add to their displays; and to provide specimens for the recent sale to establish an endowment fund for museum operations in perpetuity. Joe Budd photos